含能材料2011,Vol.19Issue(3):247-251,5.DOI:10.3969/j.issn.1006-9941.2011.03.002
二硝基脲含能离子盐的合成及表征
Preparation and Characterization of Energetic Ionic Salts of N, N-Dinitrourea
摘要
Abstract
Through the reaction of ethylenediamine (EDA) and derivatives of triazole and imidazole with N, N-dinitrourea (DNU) ,six energetic ionic salts were prepared. Among them,EDA gave diacid salt,others derivatives gave monoacidic ones. The effects of solvent,reaction temperature and time on yield of salt from 4-aminotriazole and DNU were analyzed. The yield could be up to 85% in acetonitrile and 71% in ethanol at 10 ℃ for 2 h, Generally,polar solvents with high dielectric constant are beneficial to the salt-forming reaction. The structures of all salts prepared were confirmed and discussed by IR, 1 H NMR, 13 C NMR and elemental analysis. The thermal stability of most salts surpasses DNU, for instance, EDA-DNU salt started its decomposition at 125 ℃ (ca. 55 ℃ higher than that of DNU) ,exhibited the largest mass loss rate at 165 ℃ in TGA curve.关键词
有机化学/含能离子盐/二硝基脲/三唑/咪唑/乙二胺Key words
organic chemistry/ energetic salt/ dinitrourea/ triazolium/ imidazolium/ ethylenediarnine分类
军事科技引用本文复制引用
李亚妮,杨建明,余秦伟,薛云娜,吕剑..二硝基脲含能离子盐的合成及表征[J].含能材料,2011,19(3):247-251,5.基金项目
国防973项目资助(613740202) (613740202)